Deep well pumps ?????

   / Deep well pumps ????? #1  

40_acre_mule

Silver Member
Joined
Mar 22, 2005
Messages
183
Location
South Mississippi
Tractor
Kubota L4701
Howdy, getting ready to have a well drilled for my daughter's new place. Estimate the water table at about 180 feet deep.

I really just want y'all's opinions about submerged pumps versus surface pumps.

What are the advantages/disadvantages of the surface mounted jet pump?

What are the advantages/disadvantages of the bottom mounted submersible pump?

Are any of y'all familiar with Grunfos (sp?) pumps?
 
   / Deep well pumps ????? #2  
My well is 150 feet. I put in a Teel submersible 25 years ago, and have not had to pull it up since. I don't think that a surface pump will work at 180, but could be wrong. I have however had to replace the capacitor for the start a couple of times (on the wall), and a couple of pressure switches. My pump is a "3 wire" pump 220 vac. I don't know if Granger still sells them, but they used to have a chart in the catalog to help pick the pump.
 
   / Deep well pumps ????? #3  
I dont really know advantages or disadvantages but I do have a grundfos submersible running my well just over 100 ft down. The well was drilled in '85, had to replace the pump in '08. It ran 23 years without any problems, so I replaced it with another one just like it.
 
   / Deep well pumps ????? #4  
A jet pump with downhole eductor will work. It will not be as efficient or pump at the same rate as a submersible will.

For you situation the submersible pump would be the best choice. As to make there are many quality brands available.:)
 
   / Deep well pumps ????? #5  
much easier to PUSH water up than pull it. Submersible will work less and give more. Grunfos (sp) is top quality and will last many, many years!
 
   / Deep well pumps ????? #6  
also you don't have to prime a submersible pump.
 
   / Deep well pumps ????? #9  
Ditto-- on several counts.

A submersible would be best.

In my experience, Grundfos pumps are very well built, although I have a Meyers at about 250' that's still going strong at 26+ years....
 
   / Deep well pumps ????? #10  
Howdy. Good question.

I worked for Grundfos pumps for 6 years, at the manufacturing facility in Fresno. Okay, at 180 feet, you are going to use a submersible pump. Period. Now, what kind is up to you. And I don't mean brand.

First, put on a pump protector. A PUMPTEC. This is so important. Don't skip this. For 300 bucks, it will pay for itself. I promise.

Next, make the decision on standard or variable speed motor. Variable speed are more efficient (a lot more - so cheaper to run), but have been semi-questionable on longevity.

Then you need the pump sized correctly. 180 feet, yes, but how far to the house. What pressure do you need? How much landscaping? How many bathrooms? Are you going with a constant pressure system? etc. 3 inch, 4 inch or 6 inch pump? 120 or 240 volt? etc. This is where you need a professional.

The last decision is brand. I could go on and on about Grundfos and how good they are (I have not worked there in 5 years), but they are expensive. Stainless steel is not cheap. I will say Franklin makes a very good motor.

You want to get this right. This is your WATER. So call up Grundfos, or Goulds, or whomever, and get some information. This is free. And those people have a lot of experience.
 

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